GRASS GIS 7 Programmer's Manual  7.5.svn(2017)-r71806
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ascii_chk.c
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1 
2 /*!
3  * \file lib/gis/ascii_chk.c
4  *
5  * \brief GIS Library - Remove non-ascii characters
6  *
7  * (C) 2001-2014 by the GRASS Development Team
8  *
9  * This program is free software under the GNU General Public License
10  * (>=v2). Read the file COPYING that comes with GRASS for details.
11  *
12  * \author GRASS GIS Development Team
13  *
14  * \date 1999-2014
15  */
16 
17 #include <grass/gis.h>
18 
19 
20 #define TAB 011
21 #define SPACE 040
22 
23 
24 /**
25  * \brief Removes non-ascii characters from buffer.
26  *
27  * Updates <b>string</b> with non_ascii characters removed, except for
28  * tabs, which are turned into spaces.
29  *
30  * \param[in,out] string buffer to have non-ascii characters removed
31  * \return
32  */
33 
34 void G_ascii_check(char *string)
35 {
36  char *ptr1, *ptr2;
37 
38  ptr1 = string;
39  ptr2 = string;
40 
41  while (*ptr1) {
42  if ((*ptr1 >= 040) && (*ptr1 <= 0176))
43  *ptr2++ = *ptr1;
44  else if (*ptr1 == TAB)
45  *ptr2++ = SPACE;
46  ptr1++;
47  }
48  *ptr2 = 0;
49 }
#define TAB
Definition: ascii_chk.c:20
void G_ascii_check(char *string)
Removes non-ascii characters from buffer.
Definition: ascii_chk.c:34
#define SPACE
Definition: ascii_chk.c:21